<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <!--点击事件-->
  <input type="button" value="按钮1" @click="f()">
  <input type="button" value="按钮2" v-on:click="f()">
    <!--值改变事件-->
    <select @change="c()"  v-model="city">
        <option>北京</option>
        <option>上海</option>
        <option>广州</option>
    </select>
    <!--失去焦点事件-->
    <input type="text" @blur="b()">
</div>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.min.js"></script>

<script>
  let v = new Vue({
    el:"div",
      data:{
        city:""
      },
    methods:{
        f:function (){
            console.log("按钮点击了");
        },
        c:function (){
          console.log("值改变成了"+v.city);
        },
        b(){
            console.log("编辑完成了")
        }
    }
  })

</script>
</body>
</html>